package ch09_io.bio;

import java.io.BufferedReader;
import java.io.InputStreamReader;

/**
 * 转换流
 *
 * @author guodd
 * @version 3.0
 * @since 1.8
 */
public class TransForm02 {
    public static void main(String[] args) throws Exception {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
        String s;
        s = br.readLine();
        while (s != null) {
            if (s.equalsIgnoreCase("exit")) {
                break;
            }
            System.out.println(s.toUpperCase());
            s = br.readLine();
        }
        br.close();
    }
}
